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Mercedes OM457 specs, bolt torques, spec sheets, manuals


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Your Detroit Diesel Specs

Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque. Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.


Some Popular Engine Specs


OM457 bolt torques, specifications and manuals


Useful information for owners and repairers of OM457 engines

OM457 essential bolt tightening torques

Main Bearing Bolts 
step 1 = 100 Nm
step 2 = 200 Nm
step 3 = + 30°
step 4 = + 90-100°

Connecting Rod Bolts
Step 1	100 - 110 Nm	
Step 2	90° - 100°	

Cylinder head Bolts
Step 1	10 Nm	
Step 2	50 Nm	
Step 3	100 Nm	
Step 4	200 Nm	
Step 5	90°	
Step 6	90°	
* Check data sheet if new
bolts are fitted.

OM457 manuals and spec sheets

OM457 specifications

Arrangement
OM457LA
6 Cylinder In-Line
4-stroke cycle
turbocharged
intercooled

Dimensions
length - 1365 mm
width 830 mm
heitht 1110 mm

Designations
German - English
A = Abgasturboaufgeladen - Turbocharged = T
L = ladeluftgekühlt - Intercooled = I
OM = Diesel engine = ADE

Displacement
11.97 liter, 730 CID

Compression ratio:
457LA 17.25:1

Weight approx:
920 kg, 2028 lb

Power 
OM457LA
265 kW @ 2100 rpm
242 kW @ 1800 rpm

Torque 
OM457LA
1600 Nm @ 1200 rpm


Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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